Why is my phone not charging even when plugged in?

Check the power source
Make sure that the wall outlet you’re using is working and has power.
Check the charger and charging port
Inspect the charger and charging port to make sure there’s no visible damage.
Check for dirt, dust, and other debris
Clean any dirt or dust from the charging port with a small brush and vacuum.
Check the charging cable
Look for any flexibility, fraying, or other abnormalities.
Test other charging cables
Test out a different charging cable to see if it works better.
Soft reset your phone
Perform a soft reset by restarting your phone.